import java.util.Scanner;

public class PrintX {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int n = scanner.nextInt();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if (i == j || i + j == n - 1) {
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}


//import java.util.Scanner;
//
//public class PrintX {
//    public static void main(String[] args) {
//        Scanner in = new Scanner(System.in);
//        while (in.hasNextInt()) {
//            int n = in.nextInt();
//            for (int i = 0; i < n; i++) {
//                for (; i >= 0; i--) {
//                    System.out.print(" ");
//                }
//                System.out.print("*");
//                for (; i > n - i - 2; i--) {
//                    System.out.print(" ");
//                }
//            }
//        }
//    }
//}
